Vulnerability · Published Aug 29, 2025 · Assigned by INCIBE

CVE-2025-40703Cross-Site Scripting (XSS) vulnerability in OpenAtlas by ACDH-CH

Medium 5.1

In plain English

A medium-severity cross-site scripting in OpenAtlas from ACDH-CH. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 4.0)5.1Medium

Exploit odds (30 days)0.2%top 87.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Cross-Site Scripting (XSS) vulnerability in OpenAtlas v8.9.0 from the Austrian Centre for Digital Humanities and Cultural Heritage (ACDH-CH), due to inadequate validation of user input when a POST request is sent. The vulnerabilities could allow a remote user to send specially crafted queries to an authenticated user and steal their session cookie details, via the "/insert/group" petition, "name" and "alias-0” parameters.

Affected products (as reported)

Vendor	Product	Versions
ACDH-CH	OpenAtlas	8.9.0

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

In plain English

Official description

Affected products (as reported)

References